Change error reporting to have an explicit type

When there is an I/O error, errno should be used to find out what is
wrong. In other cases, errno cannot be used. So, use an explicit type in
Hiredis to define the different error scenarios that can occur.

1 files changed, 3 insertions, 2 deletions

diff --git a/async.h b/async.h
index 2e14b13..d0a99da 100644
--- a/async.h
+++ b/async.h
@@ -54,8 +54,9 @@ typedef struct redisAsyncContext {
     /* Hold the regular context, so it can be realloc'ed. */
     redisContext c;
 
-    /* Hold a reference to the error object so it can be used directly. */
-    char *error;
+    /* Setup error flags so they can be used directly. */
+    int err;
+    char *errstr;
 
     /* Called when the library expects to start reading/writing.
      * The supplied functions should be idempotent. */